Mercurial > hg > nginx-site
comparison xml/en/docs/http/ngx_http_scgi_module.xml @ 2069:fc3ba2e76974
Documented size of keys_zone for commercial version (trac #1286).
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Thu, 26 Oct 2017 15:50:00 +0300 |
parents | 4f3dd2f548cf |
children | fb5eef3637a4 |
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2068:3d9e7993c201 | 2069:fc3ba2e76974 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> | 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
9 | 9 |
10 <module name="Module ngx_http_scgi_module" | 10 <module name="Module ngx_http_scgi_module" |
11 link="/en/docs/http/ngx_http_scgi_module.html" | 11 link="/en/docs/http/ngx_http_scgi_module.html" |
12 lang="en" | 12 lang="en" |
13 rev="36"> | 13 rev="37"> |
14 | 14 |
15 <section id="summary"> | 15 <section id="summary"> |
16 | 16 |
17 <para> | 17 <para> |
18 The <literal>ngx_http_scgi_module</literal> module allows passing | 18 The <literal>ngx_http_scgi_module</literal> module allows passing |
427 <para> | 427 <para> |
428 In addition, all active keys and information about data are stored | 428 In addition, all active keys and information about data are stored |
429 in a shared memory zone, whose <value>name</value> and <value>size</value> | 429 in a shared memory zone, whose <value>name</value> and <value>size</value> |
430 are configured by the <literal>keys_zone</literal> parameter. | 430 are configured by the <literal>keys_zone</literal> parameter. |
431 One megabyte zone can store about 8 thousand keys. | 431 One megabyte zone can store about 8 thousand keys. |
432 <note> | |
433 As part of | |
434 <commercial_version>commercial subscription</commercial_version>, | |
435 the shared memory zone also stores extended | |
436 cache <link doc="ngx_http_api_module.xml" id="http_caches_">information</link>, | |
437 thus, it is required to specify a larger zone size for the same number of keys. | |
438 For example, | |
439 one megabyte zone can store about 4 thousand keys. | |
440 </note> | |
432 </para> | 441 </para> |
433 | 442 |
434 <para> | 443 <para> |
435 Cached data that are not accessed during the time specified by the | 444 Cached data that are not accessed during the time specified by the |
436 <literal>inactive</literal> parameter get removed from the cache | 445 <literal>inactive</literal> parameter get removed from the cache |